CN1232000A - Method for producing artificial admixture for cement and concrete, products thereby and use thereof - Google Patents

Method for producing artificial admixture for cement and concrete, products thereby and use thereof Download PDF

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Publication number
CN1232000A
CN1232000A CN 98107201 CN98107201A CN1232000A CN 1232000 A CN1232000 A CN 1232000A CN 98107201 CN98107201 CN 98107201 CN 98107201 A CN98107201 A CN 98107201A CN 1232000 A CN1232000 A CN 1232000A
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cement
concrete
acid
raw
weight
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CN1116240C (en
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郝立平
蔡美啸
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Bo'ao New Material Tech Inst Haidian District Beijing City
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00Hydraulic cements
    • C04B7/345Hydraulic cements not provided for in one of the groups C04B7/02 - C04B7/34
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039Premixtures of ingredients
    • C04B40/0042Powdery mixtures

Abstract

A process for preparing the artificial admixture of cement, or concrete, or refractory features that in the presence of alkaline catalyst, Si-containing and Ca-containing natural raw materials are subjected to hydrothermal synthesis reaction to generate hydrated calcium silicate (CaSiO2.XH2O) gel. It features large specific surface area, high compression strength and durability, low cost and simple preparing process.

Description

The cement of synthetic, manufacture method of concrete admixture and products thereof and application
The present invention relates to material of construction, refer in particular to a kind of cement of synthetic, manufacture method of concrete admixture and products thereof and application.
At present building trade is when the pump concrete of the durable high-strength and high flowability of preparation, except that the rubble and high efficiency water reducing agent of medium sand more than 2.6 of the silicate cement of selecting high grade for use, fineness modulus, 5-25mm, must add adulterant and be used to improve concrete serviceability, as help pumping, improve concrete weather resistance, avoid owing to cement consumption too much causes shrinkage crack etc.Adulterant commonly used at present uses industrial waste and rotten stone powder etc. mostly, and as the silicon ash that produces in the ferrosilicon smelting, the I level flyash that heat power plant produces, levigate blast-furnace slag, levigated zeolite powder etc., its major defect is:
1, because be industrial waste, be subjected to the influence of its raw material sources and production technique bigger, performance is extremely unstable, does not just have qualified I level flyash as the Beijing area.
2, unit weight is very little, and it is bigger to take volume, long-distance transport, and cost is higher.
3, easily cause dust from flying in the use, cause work under bad environment and atmospheric pollution.
4, rotten stone powder is difficult to reach specific surface area 8000cm 2The qualified requirement that/g is above, and price comparison costliness, so the adulterant that a kind of steady quality of synthetic, low price, building materials are used just becomes the most urgent demand.
The object of the present invention is to provide a kind of cement of synthetic, manufacture method of concrete admixture and products thereof and application, satisfy the active demand of building trade adulterant,
The object of the present invention is achieved like this: a kind of cement of synthetic, the manufacture method of concrete admixture, and this manufacture method comprises following step:
(1) select materials (selecting raw material) (parts by weight) by following proportioning:
Silicon-containing material: 60-95
Calcic raw material: 3-40
An acidic catalyst: 1-5
Basic catalyst: 1-5
This silicon-containing material comprises following at least a: diatomite, zeolite, wilkinite, kaolin, attapulgite, sepiolite, vermiculite, perlite;
This calcic raw material comprises lime;
This an acidic catalyst comprises following at least a: fumaric acid, toxilic acid, maleic anhydride, salicylic acid, tannic acid, citric acid, lactic acid, tartrate;
This basic catalyst comprises following at least a NaOH, KOH, Na 2CO 3, K 2CO 3, Na 2SiO 3
(2) grind with pigment:
Above-mentioned raw materials is put into masher, add water 2-8 doubly, add an acidic catalyst, combined grinding 0.5-1.5 hour, make coarse raw material wherein grind porphyrize, be convenient to following hydrothermal synthesis reaction and carry out.
(3) hydrothermal synthesis reaction:
Above-mentioned mixed slurry is sent in the reaction vessel, added basic catalyst, mix, be warming up to 60-100 ℃ and carried out hydrothermal synthesis reaction 2-10 hour, make the broken key dissolving of raw material, generate hydrated calcium silicate gel [CaSiO 3XH 2O];
(4) dehydrate:
Above-mentioned reaction product is carried out centrifuge dehydration, put into drying machine subsequently, dry under 80-350 ℃ of condition, make moisture below 2%;
(5) grinding:
Carry out levigate making with pulverizer and form granularity at the greyish white powder of 200-300 purpose.Be packaged into product according to a conventional method.
A kind of cement of synthetic, concrete admixture product, it is characterized in that this product makes with the described method of right 1, it carries out hydrothermal synthesis reaction by siliceous and calcareous raw material under the effect of acid and basic catalyst, make to generate hydrated calcium silicate gel [CaSiO 3XH 2O], and dewater, grinding forms, and its proportioning raw materials is (parts by weight): silicon-containing material: 60-95, calcic raw material: 3-40, an acidic catalyst: 1-5, basic catalyst 1-5;
This silicon-containing material comprises following at least a: diatomite, zeolite, wilkinite, kaolin, attapulgite, sepiolite, vermiculite, perlite;
This calcic raw material comprises lime;
This an acidic catalyst comprises following at least a: fumaric acid, toxilic acid, maleic anhydride, salicylic acid, tannic acid, citric acid, lactic acid, tartrate;
This basic catalyst comprises following at least a: NaOH, KOH, Na 2CO 3, K 2CO 3, Na 2SiO 3
The application of a kind of cement of synthetic, concrete admixture product is characterized in that this product is applicable to the adulterant of doing concrete, cement and flame-proof thermal insulation material.
The consumption of this product in concrete is the 3-20% (weight) of wherein cement consumption.
The consumption of this product in cement is 1-5% (weight).
The consumption of this product in flame-proof thermal insulation material is the 3-10% (weight) of total amount.
Major advantage of the present invention is:
1, the raw material of the present invention's use is the low-grade goods in the Similar types of materials mostly, low price, and wide material sources, so the price comparison of product is low, only is below 70% of silicon ash.
2, the present invention adopts the technology of synthetic, can produce the series product that are fit to different demands, constant product quality by the control manufacturing condition.
3, manufacture method of the present invention is simple, and control easily is easy to large-scale industrialization production or short run manufacturing on the basis of the existing conditions no matter how simple and crude.
4, product of the present invention be fit to store, convenient transportation, easy to use, dust pollution is less.
The present invention is further described below in conjunction with preferred embodiment and accompanying drawing:
Fig. 1 is a manufacturing process flow diagram of the present invention;
Fig. 2 is the X diffracting spectrum of product of the present invention;
Fig. 3 is the infrared spectrogram of product of the present invention;
Fig. 4 is cement Ca when aquation 2+Ionic concentration profile (beginning);
Fig. 5 is cement Ca when aquation 2+Ionic concentration profile (later stage);
Fig. 6 is the integrated curve figure in aperture in the concrete;
Fig. 7 is the differential curve figure in aperture in the concrete;
Embodiment 1:
Consult Fig. 1, manufacturing process flow of the present invention comprises the steps:
(1) select materials:
The raw material that the present invention uses is the cheap raw material that is prevalent in the Nature, comprise silicon-containing materials such as diatomite, zeolite, wilkinite, kaolin, attapulgite, sepiolite, vermiculite, perlite, also comprise calcic raw materials such as lime, and a spot of alkalescence and an acidic catalyst
The raw material of selecting for use in the present embodiment is (parts by weight), diatomite 85-95, lime 3-10, NaOH1-2, Na 2SiO 31-2, Na 2CO 31-2, maleic anhydride 1-2, toxilic acid 1-2.
(2) grind with pigment:
Above-mentioned raw materials is put into masher, add 5 times in water, add an acidic catalyst, combined grinding 1 hour.
(3) hydrothermal synthesis reaction:
Above-mentioned mixed slurry is put into reaction vessel, add basic catalyst and mix and be warming up to 80-95 ℃ and carried out hydrothermal synthesis reaction 3-8 hour, make the broken key dissolving of raw material, generate hydrated calcium silicate gel (CaSiO 3XH 2O);
(4) dehydrate:
Above-mentioned reaction product is carried out centrifuge dehydration, and it is dry under 100-250 ℃ of condition to put into drying machine subsequently, makes moisture below 2%;
(5) grinding:
Carry out levigately with pulverizer, make to form granularity at the greyish white powder of 200-300 purpose.Be packaged into product according to a conventional method, make product I of the present invention.
Embodiment 2:
In the manufacture method of the present invention, its proportioning raw materials can also be (parts by weight):
Diatomite 60-80
Lime 20-40
Na 2SiO3?1-2
Na 2CO3?1-2
Toxilic acid 1-2
Make product II of the present invention with above-mentioned raw materials, its manufacturing process is substantially the same manner as Example 1, so do not repeat.
Embodiment 3:
In the manufacture method of the present invention, its proportioning raw materials can also be (parts by weight):
Wilkinite 70-75
Lime 25-35
Maleic anhydride 1-2
Yellow soda ash 1-4
Make product III of the present invention with above-mentioned raw materials, its manufacturing process flow is substantially the same manner as Example 1, so do not repeat.
The product I of the method manufacturing of the invention described above, II, III mainly form activated silica and hydrated calcium silicate gel (CaSiO 3XH 2O), have the similar performance of adulterant silicon ash commonly used, its specific surface area is bigger, generally at 20-40m 2Between/the g, be used for concrete or cement is made adulterant, can participate in the hydration reaction of cement, play the aquation nucleus, can absorb Ca (OH) again 2The secondary pozzolanic reaction taking place, also have the physics filling effect, thereby improve the structure of cement stone, improves cement and concrete ultimate compression strength and weather resistance.
Embodiment 4:
The composition of product of the present invention and performance test are consulted Fig. 2 and Fig. 3, and the major ingredient of product of the present invention can obtain proof from X diffraction and infrared spectrogram.
Fig. 2 is the X diffractogram of embodiment of the invention 1-3 synthetic product I, II, III, and characteristic peak 3.042 and 1.832 wherein shows hydrated calcium silicate gel (CaSiO in the product of the present invention 3XH 2O) be major ingredient.
Fig. 3 is the infrared absorpting light spectra of embodiment of the invention 1-2 synthetic product I and II, the charateristic avsorption band 972-1010 of the wherein charateristic avsorption band 973-1014 of product I, 640 and 456-480, and product II, 638 and 430-456 all show hydrated calcium silicate gel (CaSiO in the product of the present invention 3XH 2O) be major ingredient.
Consult Fig. 4 and Fig. 5, product of the present invention has the performance of quickening hydration reaction, can be from the Ca of following experimental result 2+Scatter chart obtains proof.
The X-coordinate of Fig. 4 is time (branch), and vertical the seat is Ca 2+Millimole concentration in every liter, water cement ratio W/S=10, curve 0-0 does not add the curve of product of the present invention, and curve X-X is for adding the curve of 3% product of the present invention, as can be seen from Fig. 4: after adding product of the present invention, its Ca 2+Concentration increase.
The curve representation of Fig. 5 under the identical condition of Fig. 4, the graphic representation after time expand, as can be seen from Fig. 5: after buck dissolved each other about 10 hours, Ca wherein 2+Concentration reach maximum, its curve X-X that adds product of the present invention reaches Ca 2+The time of maximum is few, i.e. stripping speed is fast, illustrates that product activity of the present invention is higher.
Consult Fig. 6 and Fig. 7, product of the present invention has the function that increases concrete or strength of cement, can obtain proof from the pore distribution curve of following experiment, for clearer directly perceived, adopts integrated curve and differential curve.
The X-coordinate of Fig. 6 is the logarithmic value Lnr of aperture γ, and ordinate zou is the product v * Π r of volume V and hole area 2, with the pore distribution integrated curve of cement, the curve that dotted line is represented is for adding the pore distribution integrated curve of product of the present invention for only for the curve that solid line is indicated.
The X-coordinate of Fig. 7 still is the logarithmic value Lnr of aperture γ, to be body V enlarge 50000 times of dv/dr * 50000 to the differential of aperture γ to ordinate zou again, the curve that solid line is represented is for only using the pore distribution differential curve of cement, dotted line represents to add the pore distribution differential curve behind the product of the present invention, can clearly be seen that from the pore distribution curve of Fig. 6 and Fig. 7: product of the present invention can make the aperture of concrete or cement diminish, product densification, thereby the ultimate compression strength and the weather resistance of increase concrete or cement.
Embodiment 5
Product of the present invention is as the effect contrast experiment () of concrete admixture.
Identical conditions of mixture ratios:
Cement: 420kg label 425 #Ordinary Portland cement
Sand: 730kg medium sand, fineness modulus 2.6
Stone: the rubble of 1096kg 5-25mm or crushed gravel
Water reducer: Laiwu, 2.1kg Shandong Wen He chemical plant production Article Number FDN
Water 189kg
Change condition: change the kind and the add-on of product of the present invention, keep its slump, test concrete ultimate compression strength, the results are shown in Table 1 in 22 ± 2 scopes:
Table 1
Experiment numbers Product of the present invention The slump ????R 7 * ????R 28 **
Add-on kg Account for cement % Measured value MPa Increase % Measured value Mpa Increase %
????1 ????0 ????0 ????22 ????32.7 ?100 ?45.4 ?0
????2 ???21(Ⅱ #) ????5 ????20 ????36.4 ?111 ?49.9 ?110
????3 ???33.6(Ⅱ #) ????8 ????22 ????43.4 ?133 ?54.0 ?119
????4 ???33.6(Ⅰ #) ????8 ????22 ????46.3 ?142 ?57.7 ?127
Annotate: *R 7Ultimate compression strength for the concrete seven sky
*R 28Be 28 days ultimate compression strength of concrete
I #Product for the embodiment of the invention 1;
II #Product for the embodiment of the invention 2.
As seen from Table 1:
(1) experiment numbers 1 is not for adding the concrete of product of the present invention, and establishing its ultimate compression strength is 100;
(2) experiment numbers 2 is the product of the embodiment of the invention 2 of increase by mass of cement 5%, and the ultimate compression strength in its concrete seven sky increases by 11%, and its ultimate compression strength of 28 days increases by 10%, illustrates that product of the present invention can improve concrete ultimate compression strength.
(3) behind the product of experiment numbers 3 for the embodiment of the invention 2 of increase cement weight 8%, the ultimate compression strength in its concrete seven sky increases by 33%, and its ultimate compression strength of 28 days increases by 19%, illustrates that the add-on that increases product of the present invention can improve concrete ultimate compression strength.
(4) behind the product of experiment numbers 4 for the embodiment of the invention 1 of increase cement weight 8%, its ultimate compression strength of 7 days increases by 42%, and its ultimate compression strength of 28 days increases by 27%.
Above-mentionedly experimental results show that product of the present invention has the effect that improves concrete ultimate compression strength.
Embodiment 6:
Product of the present invention is as the effect contrast experiment (two) of concrete admixture
Identical proportioning:
Cement: 530kg label 525 #Ordinary Portland cement
Sand: 659kg medium sand, fineness modulus 2.6
Stone: the rubble of 1075kg 5-25mm or crushed gravel
Water reducer: Laiwu, 6.3kg Shandong Wen He chemical plant production Article Number FDN
Water 189kg
Change condition: change the kind and the add-on of product of the present invention, keep its slump, test concrete ultimate compression strength, the results are shown in Table 2 in 22 ± 2 scopes:
Table 2
Experiment numbers Product of the present invention The slump ????R 7 * ????R 28 **
Add-on kg Account for cement % Measured value MPa Increase % Measured value Mpa Increase %
????5 ????0 ????0 ????22 ????41.6 ?100 ?61.0 ?100
????6 ?42.4(Ⅰ #) ????8 ????21 ????52.6 ?126 ?73.8 ?121
????7 ?42.4(Ⅱ #) ????8 ????22 ????47.6 ?114 ?67.7 ?111
????8 ?53(Ⅰ #+Ⅱ #) ????10 ????20 ????55.4 ?133 ?78.7 ?129
Annotate: *R 7Pressure-resistant temp for the concrete seven sky
*R 28Be 28 days pressure-resistant temp of concrete
I #Product for the embodiment of the invention 1;
II #Product for the embodiment of the invention 2.
As seen from Table 2:
(1) experiment numbers 5 is not for adding the concrete of product of the present invention, and establishing its ultimate compression strength is 100;
(3) experiment numbers 6 is the product of the embodiment of the invention 1 of increase by mass of cement 8%, and its concrete 7 days ultimate compression strength increases by 26%; Its ultimate compression strength of 28 days increases by 21%.
(3) behind the product of experiment numbers 7 for the embodiment of the invention 2 of increase cement weight 8%, the ultimate compression strength in its concrete seven sky increases by 14%, and its ultimate compression strength of 28 days increases by 11%.
(4) behind experiment numbers 8 product for the embodiment of the invention 1 that increases cement weight 10% and 2, its ultimate compression strength of 7 days increases by 33%, and its ultimate compression strength of 28 days increases by 29%.
Above-mentioned experimental results show that: increase product add-on of the present invention and can improve concrete ultimate compression strength; The product of different ratios of raw materials of the present invention can mix use, can improve concrete ultimate compression strength equally.Contrast can also prove that with the experimental result of embodiment 5 product of the present invention is applicable to the cement of various labels.
Embodiment 7:
Product of the present invention is as the effect contrast experiment (three) of concrete admixture.
Identical conditions of mixture ratios:
Cement: 525 #Ordinary Portland cement
Sand: 610kg medium sand, fineness modulus 2.8
Stone: the rubble of 1110kg 5-25mm
Water reducer: Laiwu, 6kg Shandong Wen He chemical plant production Article Number FDN
Water: 165kg
Change condition: (1) replaces partly cement with product of the present invention;
(2) add ground slag (specific surface area 4000cm 2/ g) replace part cement, test result sees Table 3:
Table 3
Experiment numbers Cement % Product of the present invention Levigate ore deposit quarrel Slump cm ????R 28
Add-on kg Account for cement % Measured value Mpa Increase %
Add-on kg Account for cement %
?9 ?500 ????0 ????0 ????0 ????0 ????21 ????65.6 ?100
?10 ?450 ?50(Ⅰ #) ????10 ????0 ????0 ????21 ????78.6 ?120
?11 ?350 ?50(Ⅰ #) ????10 ????100 ????20 ????22 ????97.4 ?149
Annotate: R 28Be 28 days pressure-resistant temp of concrete
I #Product for the embodiment of the invention 1;
As seen from Table 3:
(1) experiment numbers 9 is not for adding the concrete of product of the present invention and ground slag, and establishing its ultimate compression strength of 28 days is 100;
(2) experiment numbers 10 is the concrete with products substitution 10% cement of the present invention; Its ultimate compression strength of 28 days increases by 20%.
(3) experiment numbers 11 is under the condition of experiment numbers 10, substitutes the concrete of 20% cement again with ground slag, and its ultimate compression strength increases by 49%.
Above-mentioned experimental results show that:
A, can improve concrete ultimate compression strength with product instead of part cement of the present invention;
B, substitute part cement, and product of the present invention reinstates with levigate ore deposit quarrel one, have the effect of reinforcement, can adopt preparing the high grade pump concrete to improving concrete crushing strength with product of the present invention and ground slag.
Embodiment 8:
Product of the present invention is as the effect experiment of the concrete adulterant of high grade.
The same terms:
Cement: label 525 #Ordinary Portland cement
Sand: 659kg medium sand, fineness modulus 2.8
The rubble of stone: 5-25mm
Water reducer: Laiwu, 6.3kg Shandong Wen He chemical plant production Article Number FDN
Adulterant: the product I of the embodiment of the invention 1 #
The slump: keep 22 ± 2
Its proportioning raw materials and reinforced effects see Table 4
Table 4:
Experiment numbers Cement kg Water kg Sand kg Stone kg Water reducer kg Product kg of the present invention Slag kg Water-cement ratio Sand coarse aggregate ratio % ?R 28?Mpa
?12 ?450 ?165 ?610 ?1110 ?6 ????50 ????0 ?0.33 ?35.5 ?78.6
?13 ?480 ?164 ?602 ?1070 ?8.5 ????85 ????0 ?0.29 ?36.0 ?95.4
?14 ?280 ?159 ?602 ?1070 ?8.5 ????85 ???200 ?0.28 ?36.0 ?121.8 *
Annotate: experiment numbers 12 is a C60 level High Strength Pump Concrete.
Experiment numbers 13 is a C80 level High Strength Pump Concrete.
*Be 90 days ultimate compression strength.
From the experimental result of table 4 as seen:
Product of the present invention has the ability that significantly improves concrete crushing strength, when special and ground slag uses simultaneously, has higher increase effect (experiment numbers 14).
In addition, product of the present invention can also use as the adulterant of Portland cement or flame-proof thermal insulation material, adds this product 1-5% (weight) in common cement, can make the ultimate compression strength of cement improve 20-30%; In flame-proof thermal insulation material, add product 3-10% of the present invention, can significantly improve heat insulation effect and work-ing life.

Claims (6)

1, the manufacture method of a kind of cement of synthetic, concrete admixture, this manufacture method comprises following step:
(1) select materials (selecting raw material) (parts by weight) by following proportioning:
Silicon-containing material: 60-95
Calcic raw material: 3-40
An acidic catalyst: 1-5
Basic catalyst: 1-5
This silicon-containing material comprises following at least a: diatomite, zeolite, wilkinite, kaolin, attapulgite, sepiolite, vermiculite, perlite;
This calcic raw material comprises lime;
This an acidic catalyst comprises following at least a: fumaric acid, toxilic acid, maleic anhydride, salicylic acid, tannic acid, citric acid, lactic acid, tartrate;
This basic catalyst comprises following at least a NaOH, KOH, Na 2CO 3, K 2CO 3, Na 2SiO 3
(2) grind with pigment:
Above-mentioned raw materials is put into masher, add water 2-8 doubly, add an acidic catalyst, combined grinding 0.5-1.5 hour, make coarse raw material wherein grind porphyrize, be convenient to following hydrothermal synthesis reaction and carry out.
(3) hydrothermal synthesis reaction:
Above-mentioned mixed slurry is sent in the reaction vessel, added basic catalyst, mix, be warming up to 60-100 ℃ and carried out hydrothermal synthesis reaction 2-10 hour, make the broken key dissolving of raw material, generate hydrated calcium silicate gel [CaSiO 3XH 2O];
(4) dehydrate:
Above-mentioned reaction product is carried out centrifuge dehydration, put into drying machine subsequently, dry under 80-350 ℃ of condition, make moisture below 2%;
(5) grinding:
Carry out levigately with pulverizer, make to form granularity at the greyish white powder of 200-300 purpose.Be packaged into product according to a conventional method.
2, a kind of cement of synthetic, concrete admixture product, it is characterized in that this product makes with the described method of right 1, it carries out hydrothermal synthesis reaction by siliceous and calcareous raw material under the effect of acid and basic catalyst, make to generate hydrated calcium silicate gel [CaSiO 3XH 2O], and dewater, grinding forms, and its proportioning raw materials is (parts by weight): silicon-containing material: 60-95, calcic raw material: 3-40, an acidic catalyst: 1-5, basic catalyst 1-5;
This silicon-containing material comprises following at least a: diatomite, zeolite, wilkinite, kaolin, attapulgite, sepiolite, vermiculite, perlite;
This calcic raw material comprises lime;
This an acidic catalyst comprises following at least a: fumaric acid, toxilic acid, maleic anhydride, salicylic acid, tannic acid, citric acid, lactic acid, tartrate;
This basic catalyst comprises following at least a: NaOH, KOH, Na 2CO 3, K 2CO 3, Na 2SiO 3
3, the application of a kind of cement of synthetic, concrete admixture product is characterized in that this product is applicable to the adulterant of doing concrete, cement and flame-proof thermal insulation material.
4, the application of adulterant product as claimed in claim 3 is characterized in that the consumption of this product in concrete is the 3-20% of cement consumption (weight) wherein.
5, the application of adulterant product as claimed in claim 3 is characterized in that the consumption of this product in cement is 1-5% (weight).
6, the application of adulterant product as claimed in claim 3 is characterized in that the consumption of this product in flame-proof thermal insulation material is the 3-10% (weight) of total amount.
CN 98107201 1998-04-16 1998-04-16 Method for producing artificial admixture for cement and concrete, products thereby and use thereof Expired - Fee Related CN1116240C (en)

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CN103864335A (en) * 2014-01-25 2014-06-18 李茜 Preparation method of admixture taking kieselguhr as main raw material
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CN105194726A (en) * 2015-09-15 2015-12-30 金陵科技学院 Calcium silicate hydrate gel composite titanium alloy material and preparation method and application thereof
CN106630904A (en) * 2016-11-18 2017-05-10 北京工业大学 Diatomite-based adsorption purification material and preparation method thereof
CN106630904B (en) * 2016-11-18 2019-06-04 北京工业大学 A kind of diatom soil matrix adsorption cleaning material and preparation method thereof
CN107419633A (en) * 2017-09-02 2017-12-01 新沂市中诺新材料科技有限公司 A kind of prepackage type concrete road

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